US5830622A - Optical grating - Google Patents
Optical grating Download PDFInfo
- Publication number
- US5830622A US5830622A US08/693,178 US69317896A US5830622A US 5830622 A US5830622 A US 5830622A US 69317896 A US69317896 A US 69317896A US 5830622 A US5830622 A US 5830622A
- Authority
- US
- United States
- Prior art keywords
- grating
- regions
- irradiation
- region
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02152—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating involving moving the fibre or a manufacturing element, stretching of the fibre
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02133—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02133—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference
- G02B6/02138—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference based on illuminating a phase mask
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02171—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for compensating environmentally induced changes
- G02B6/02176—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for compensating environmentally induced changes due to temperature fluctuations
- G02B6/02185—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for compensating environmentally induced changes due to temperature fluctuations based on treating the fibre, e.g. post-manufacture treatment, thermal aging, annealing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM3867 | 1994-02-14 | ||
AUPM3867A AUPM386794A0 (en) | 1994-02-14 | 1994-02-14 | Optical grating |
PCT/AU1995/000069 WO1995022068A1 (en) | 1994-02-14 | 1995-02-14 | Optical grating |
Publications (1)
Publication Number | Publication Date |
---|---|
US5830622A true US5830622A (en) | 1998-11-03 |
Family
ID=3778484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/693,178 Expired - Fee Related US5830622A (en) | 1994-02-14 | 1995-02-14 | Optical grating |
Country Status (8)
Country | Link |
---|---|
US (1) | US5830622A (en) |
EP (1) | EP0749587B1 (en) |
JP (1) | JPH09508713A (en) |
KR (1) | KR100425568B1 (en) |
AU (1) | AUPM386794A0 (en) |
CA (1) | CA2183363A1 (en) |
DE (1) | DE69532074D1 (en) |
WO (1) | WO1995022068A1 (en) |
Cited By (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6035083A (en) * | 1997-10-02 | 2000-03-07 | 3M Innovative Company | Method for writing arbitrary index perturbations in a wave-guiding structure |
US6084995A (en) * | 1997-12-19 | 2000-07-04 | Nortel Networks Corporation | Reducing scanning errors |
WO2000067054A1 (en) * | 1999-04-30 | 2000-11-09 | The University Of Sydney | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material |
US6204969B1 (en) * | 1997-12-08 | 2001-03-20 | Samsung Electronics Co., Ltd. | Amplitude mask, and apparatus and method for manufacturing long period grating filter using the same |
US6221565B1 (en) | 1998-02-09 | 2001-04-24 | University Of New Mexico | Tunable bragg gratings and devices employing the same |
US20010021293A1 (en) * | 2000-02-22 | 2001-09-13 | Hikaru Kouta | Method for modifying refractive index in optical wave-guide device |
US6337937B1 (en) * | 1998-05-18 | 2002-01-08 | Sumitomo Electric Industries, Ltd. | Optical filter and method of making the same |
WO2002012935A1 (en) * | 2000-08-07 | 2002-02-14 | University Of Southampton | Grating apodisation method and apparatus |
US6356681B1 (en) | 1999-07-09 | 2002-03-12 | Corning Incorporated | Method and apparatus for trimming the optical path length of optical fiber components |
US6456762B1 (en) * | 1999-12-09 | 2002-09-24 | Oki Electric Industry Co., Ltd. | Method of fabricating optical waveguide device |
WO2002095886A2 (en) * | 2001-03-29 | 2002-11-28 | Sabeus Photonics, Inc. | Mode coupling devices with complex spectral profile |
US6529658B1 (en) | 1999-07-07 | 2003-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for fabricating fiber grating |
US20030117677A1 (en) * | 2000-03-16 | 2003-06-26 | Mossberg Thomas W. | Optical processor |
AU767432B2 (en) * | 1999-04-30 | 2003-11-13 | University Of Sydney, The | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material |
US6681067B1 (en) | 2000-11-03 | 2004-01-20 | Cidra Corporation | Method for selective erasing/apodization of the index of refraction of an optical waveguide and an optical waveguide modified by the method |
US20040042723A1 (en) * | 2001-07-26 | 2004-03-04 | Paul Lefebvre | Apparatus for generating an optical interference pattern |
US20040081400A1 (en) * | 2001-01-18 | 2004-04-29 | Amber Iler | Interferometric focusing technique for forming taps in fibers |
US6747798B2 (en) | 2000-05-22 | 2004-06-08 | Adc Telecommunications, Inc. | Polarization control of UV writing |
US20040131360A1 (en) * | 2002-12-17 | 2004-07-08 | Dmitri Iazikov | Optical multiplexing device |
US20040154337A1 (en) * | 2003-02-07 | 2004-08-12 | Hideyuki Iwamura | Manufacturing method for optical fiber grating |
US6859318B1 (en) | 2000-03-16 | 2005-02-22 | Thomas W. Mossberg | Method for forming a holographic spectral filter |
US20050078912A1 (en) * | 2000-03-16 | 2005-04-14 | Dmitri Iazikov | Distributed optical structures with improved diffraction efficiency and/or improved optical coupling |
US20050130340A1 (en) * | 2003-12-12 | 2005-06-16 | Claude Beaulieu | Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation |
US20050152646A1 (en) * | 2004-01-14 | 2005-07-14 | Kai-Ping Chuang | Fabrication of true apodized fiber bragg grating using a new two-beam interferometer with polarization control |
US20050150256A1 (en) * | 2004-01-14 | 2005-07-14 | Kai-Ping Chuang | Fabrication of complex fiber grating structures by use of sequential writing with polarization control |
US7009750B1 (en) | 2002-10-25 | 2006-03-07 | Eclipse Energy Systems, Inc. | Apparatus and methods for modulating refractive index |
US20060139635A1 (en) * | 2004-11-16 | 2006-06-29 | Illumina, Inc. | Scanner having spatial light modulator |
US20060177178A1 (en) * | 2001-08-27 | 2006-08-10 | Greiner Christoph M | Amplitude and phase control in distributed optical structures |
US7120334B1 (en) | 2004-08-25 | 2006-10-10 | Lightsmyth Technologies Inc | Optical resonator formed in a planar optical waveguide with distributed optical structures |
US7181103B1 (en) | 2004-02-20 | 2007-02-20 | Lightsmyth Technologies Inc | Optical interconnect structures incorporating sets of diffractive elements |
US20070053635A1 (en) * | 2000-03-16 | 2007-03-08 | Dmitri Iazikov | Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography |
US7190856B1 (en) | 2005-03-28 | 2007-03-13 | Lightsmyth Technologies Inc | Reconfigurable optical add-drop multiplexer incorporating sets of diffractive elements |
US7194162B2 (en) | 2002-02-22 | 2007-03-20 | Neophotonics Corporation | Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale |
US7260290B1 (en) | 2003-12-24 | 2007-08-21 | Lightsmyth Technologies Inc | Distributed optical structures exhibiting reduced optical loss |
US7327908B1 (en) | 2005-03-07 | 2008-02-05 | Lightsmyth Technologies Inc. | Integrated optical sensor incorporating sets of diffractive elements |
US7330614B1 (en) | 2004-12-10 | 2008-02-12 | Lightsmyth Technologies Inc. | Integrated optical spectrometer incorporating sets of diffractive elements |
US7336872B1 (en) * | 2001-06-28 | 2008-02-26 | Avanex Corporation | Localized annealing of UV induced index grating in optical waveguides |
US7349599B1 (en) | 2005-03-14 | 2008-03-25 | Lightsmyth Technologies Inc | Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography |
US7359597B1 (en) | 2004-08-23 | 2008-04-15 | Lightsmyth Technologies Inc | Birefringence control in planar optical waveguides |
US7382951B2 (en) | 2005-05-17 | 2008-06-03 | National Chiao Tung University | Method for sequentially writing fiber Bragg grating by using real-time side-diffraction optical fiber position monitoring |
KR100858853B1 (en) | 2002-02-27 | 2008-09-17 | 오끼 덴끼 고오교 가부시끼가이샤 | Method and apparatus for generating carrier suppressed optical pulse train and grating device |
US20090034078A1 (en) * | 2004-02-19 | 2009-02-05 | Illumina, Inc. | Optical identification element having a non-waveguide substrate |
US20090110343A1 (en) * | 2007-10-26 | 2009-04-30 | Hsu Kuei Chu | Method for modulating refractive indices of optical fiber gratings |
US20090196551A1 (en) * | 2000-03-16 | 2009-08-06 | Steyphi Services De Llc | Multimode planar waveguide spectral filter |
US20090208876A1 (en) * | 2008-02-18 | 2009-08-20 | National Chiao Tung University | Long-length fiber Bragg creating sequential UV writing by probing phase mask |
US7643400B1 (en) | 2005-03-24 | 2010-01-05 | Lightsmyth Technologies Inc | Optical encoding of data with distributed diffractive structures |
US7659983B2 (en) | 2003-01-22 | 2010-02-09 | Electronics And Telecommunications Resarch Institute | Hybrid random bead/chip based microarray |
USRE41570E1 (en) | 2000-03-16 | 2010-08-24 | Greiner Christoph M | Distributed optical structures in a planar waveguide coupling in-plane and out-of-plane optical signals |
US7796333B2 (en) | 2004-11-17 | 2010-09-14 | Illumina, Inc. | Encoded microparticles and a method for fabricating |
US7830575B2 (en) | 2006-04-10 | 2010-11-09 | Illumina, Inc. | Optical scanner with improved scan time |
US7872804B2 (en) | 2002-08-20 | 2011-01-18 | Illumina, Inc. | Encoded particle having a grating with variations in the refractive index |
US7898735B2 (en) | 2002-09-12 | 2011-03-01 | Illumina, Inc. | Methods and systems for writing an optical code within or on a fiber substrate |
US7900836B2 (en) | 2002-08-20 | 2011-03-08 | Illumina, Inc. | Optical reader system for substrates having an optically readable code |
USRE42206E1 (en) | 2000-03-16 | 2011-03-08 | Steyphi Services De Llc | Multiple wavelength optical source |
US7901630B2 (en) | 2002-08-20 | 2011-03-08 | Illumina, Inc. | Diffraction grating-based encoded microparticle assay stick |
US7923260B2 (en) | 2002-08-20 | 2011-04-12 | Illumina, Inc. | Method of reading encoded particles |
USRE42407E1 (en) | 2000-03-16 | 2011-05-31 | Steyphi Services De Llc | Distributed optical structures with improved diffraction efficiency and/or improved optical coupling |
US8068709B2 (en) | 2005-09-12 | 2011-11-29 | Lightsmyth Technologies Inc. | Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography |
US8081792B2 (en) | 2003-08-20 | 2011-12-20 | Illumina, Inc. | Fourier scattering methods for encoding microbeads and methods and apparatus for reading the same |
US20130048600A1 (en) * | 2011-08-22 | 2013-02-28 | Cybernetic Industrial Corporation Of Georgia | Volumetric optically variable devices and methods for making same |
WO2013078215A1 (en) * | 2011-11-25 | 2013-05-30 | Imra America Inc. | A compact coherent high brightness light source for the mid-ir and far-ir |
US8470605B2 (en) | 2002-09-12 | 2013-06-25 | Illumina, Inc. | Optical reader for reading encoded microparticles |
US8498052B2 (en) | 2002-08-20 | 2013-07-30 | Illumina, Inc. | Composition including an item and an encoded optical substrate and a method for identifying an item |
US8986922B1 (en) * | 2004-05-12 | 2015-03-24 | Cirrex Systems, Llc | Adjusting optical properties of optical thin films |
US11359939B2 (en) | 2016-02-16 | 2022-06-14 | National Research Council Of Canada | Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6284437B1 (en) * | 1996-01-16 | 2001-09-04 | British Telecommunications Public Limited Company | Method and device for recording a refractive index pattern in an optical medium |
GB2316760A (en) * | 1996-08-23 | 1998-03-04 | Univ Southampton | Fabricating optical waveguide gratings |
AU2002301376B2 (en) * | 1998-08-19 | 2005-07-28 | Samsung Electronics Co., Ltd. | Apparatus for manufacturing two-band long-period fiber gratings using the same |
AU763596B2 (en) * | 1998-08-19 | 2003-07-24 | Samsung Electronics Co., Ltd. | Apparatus for manufacturing long-period fiber gratings and apparatus for manufacturing two-band long-period fiber gratings using the same |
JP3867453B2 (en) * | 1999-09-20 | 2007-01-10 | 住友電気工業株式会社 | Optical loss filter and manufacturing method thereof |
JP3754634B2 (en) | 2001-06-27 | 2006-03-15 | 独立行政法人科学技術振興機構 | Optical fiber grating manufacturing method and apparatus, optical fiber grating |
RU2695286C1 (en) * | 2018-12-17 | 2019-07-22 | Федеральное государственное автономное образовательное учреждение высшего образования "Новосибирский национальный исследовательский государственный университет" (Новосибирский государственный университет, НГУ) | Device for creation of periodic structures of refraction index inside transparent materials |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2651871A (en) * | 1970-03-19 | 1972-09-21 | Western Electric Company, Incorporated | Method for increasing index of refraction in transparent bodies and its application to light guides andthe like |
JPS55110207A (en) * | 1979-02-19 | 1980-08-25 | Ricoh Co Ltd | Optical fiber device |
WO1986001303A1 (en) * | 1984-08-13 | 1986-02-27 | United Technologies Corporation | Method for impressing grating within fiber optics |
US4750801A (en) * | 1985-09-30 | 1988-06-14 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical waveguide resonator filters |
US4815800A (en) * | 1984-12-21 | 1989-03-28 | Hughes Aircraft Company | Flare reduction in holograms |
EP0506546A2 (en) * | 1991-03-29 | 1992-09-30 | Gaz De France | Optical fiber with Bragg grating and its applications |
US5237576A (en) * | 1992-05-05 | 1993-08-17 | At&T Bell Laboratories | Article comprising an optical fiber laser |
WO1993018420A1 (en) * | 1992-03-09 | 1993-09-16 | British Telecommunications Public Limited Company | Silica germania glass compositions |
US5305336A (en) * | 1992-01-29 | 1994-04-19 | At&T Bell Laboratories | Compact optical pulse source |
US5309260A (en) * | 1992-12-23 | 1994-05-03 | At&T Bell Laboratories | Method for forming distributed bragg reflectors in optical media |
GB2272075A (en) * | 1992-10-29 | 1994-05-04 | Ca Minister Communications | Method of making bragg gratings and grating masks therefor |
US5327515A (en) * | 1993-01-14 | 1994-07-05 | At&T Laboratories | Method for forming a Bragg grating in an optical medium |
EP0635736A1 (en) * | 1993-07-19 | 1995-01-25 | AT&T Corp. | Method for forming, in optical media, refractive index perturbations having reduced birefringence |
-
1994
- 1994-02-14 AU AUPM3867A patent/AUPM386794A0/en not_active Abandoned
-
1995
- 1995-02-14 DE DE69532074T patent/DE69532074D1/en not_active Expired - Lifetime
- 1995-02-14 EP EP95908832A patent/EP0749587B1/en not_active Expired - Lifetime
- 1995-02-14 KR KR1019960704376A patent/KR100425568B1/en not_active IP Right Cessation
- 1995-02-14 US US08/693,178 patent/US5830622A/en not_active Expired - Fee Related
- 1995-02-14 WO PCT/AU1995/000069 patent/WO1995022068A1/en active IP Right Grant
- 1995-02-14 JP JP7520860A patent/JPH09508713A/en not_active Ceased
- 1995-02-14 CA CA002183363A patent/CA2183363A1/en not_active Abandoned
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2651871A (en) * | 1970-03-19 | 1972-09-21 | Western Electric Company, Incorporated | Method for increasing index of refraction in transparent bodies and its application to light guides andthe like |
JPS55110207A (en) * | 1979-02-19 | 1980-08-25 | Ricoh Co Ltd | Optical fiber device |
WO1986001303A1 (en) * | 1984-08-13 | 1986-02-27 | United Technologies Corporation | Method for impressing grating within fiber optics |
US4815800A (en) * | 1984-12-21 | 1989-03-28 | Hughes Aircraft Company | Flare reduction in holograms |
US4750801A (en) * | 1985-09-30 | 1988-06-14 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical waveguide resonator filters |
EP0506546A2 (en) * | 1991-03-29 | 1992-09-30 | Gaz De France | Optical fiber with Bragg grating and its applications |
US5305336A (en) * | 1992-01-29 | 1994-04-19 | At&T Bell Laboratories | Compact optical pulse source |
WO1993018420A1 (en) * | 1992-03-09 | 1993-09-16 | British Telecommunications Public Limited Company | Silica germania glass compositions |
US5237576A (en) * | 1992-05-05 | 1993-08-17 | At&T Bell Laboratories | Article comprising an optical fiber laser |
GB2272075A (en) * | 1992-10-29 | 1994-05-04 | Ca Minister Communications | Method of making bragg gratings and grating masks therefor |
US5309260A (en) * | 1992-12-23 | 1994-05-03 | At&T Bell Laboratories | Method for forming distributed bragg reflectors in optical media |
US5327515A (en) * | 1993-01-14 | 1994-07-05 | At&T Laboratories | Method for forming a Bragg grating in an optical medium |
EP0635736A1 (en) * | 1993-07-19 | 1995-01-25 | AT&T Corp. | Method for forming, in optical media, refractive index perturbations having reduced birefringence |
Non-Patent Citations (26)
Title |
---|
Eggleton, B.J. et al., "Long Periodic Superstructure Bragg Gratings in Optical Fibres", Electronics Letters, 30(19): 1620-1622 (Sep. 15, 1994). |
Eggleton, B.J. et al., Long Periodic Superstructure Bragg Gratings in Optical Fibres , Electronics Letters , 30(19): 1620 1622 (Sep. 15, 1994). * |
Farries, M.C., et al., "Very Broad Reflection Bandwidth (44nm) Chirped Fibre Gratings and Narrow Bandpass Filters Produced by the Use of an Amplitude Mask", Electronics Letters, 30(11): 891-892 (May 26, 1994). |
Farries, M.C., et al., Very Broad Reflection Bandwidth (44nm) Chirped Fibre Gratings and Narrow Bandpass Filters Produced by the Use of an Amplitude Mask , Electronics Letters , 30(11): 891 892 (May 26, 1994). * |
Fertein et al., Electron. Lett., vol. 27(20) pp. 1838 1839, Sep. 1991. * |
Fertein et al., Electron. Lett., vol. 27(20) pp. 1838-1839, Sep. 1991. |
Hill, K.O. et al., "Chirped in-Fiber Bragg Gratings for Compensation of Optical-Fiber Dispersion", Optical Society of America, 19(17):1314-1316 (Sep. 1, 1994). |
Hill, K.O. et al., Chirped in Fiber Bragg Gratings for Compensation of Optical Fiber Dispersion , Optical Society of America , 19(17):1314 1316 (Sep. 1, 1994). * |
International Search Report, International Application No. PCT/AU 95/00069 dated Jun. 1, 1995. * |
J. Canning and M. Sceats "π-phase shifted periodic distributed structures in optical fibres by UV post-processing" Electronics Letters, 30, 1344-1345 (Aug. 1994). |
J. Canning and M. Sceats phase shifted periodic distributed structures in optical fibres by UV post processing Electronics Letters, 30, 1344 1345 (Aug. 1994). * |
K.O. Hill, B. Malo, F. Bilodeau, D.C. Johnson and J. Albert, "Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask" Applied Physics Letters, 62, 1035-1037 (Mar. 1993). |
K.O. Hill, B. Malo, F. Bilodeau, D.C. Johnson and J. Albert, Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask Applied Physics Letters, 62, 1035 1037 (Mar. 1993). * |
M. Yamada and K. Sakuda "Analysis of almost-periodic distributed feedback slab waveguides via a fundamental matrix approach" Applied Optics, vol. 26, No. 16 3474-3478 (Aug. 1987). |
M. Yamada and K. Sakuda Analysis of almost periodic distributed feedback slab waveguides via a fundamental matrix approach Applied Optics, vol. 26, No. 16 3474 3478 (Aug. 1987). * |
Ouellette, F. et al., "Broadband and WDM Dispersion Compensation Using Chirped Sampled Fibre Bragg Grating", Electronics Letters,31(11): 899-901 (May 25, 1995). |
Ouellette, F. et al., Broadband and WDM Dispersion Compensation Using Chirped Sampled Fibre Bragg Grating , Electronics Letters ,31(11): 899 901 (May 25, 1995). * |
R.C. Alferness, C.H. Joyner, M.D. Divino, M.J.R. Martyak and L.L. Buhl, "Narrowband grating resonator filters in InGaAsP/InP waveguides" Applied Physics Letters, 49 125-127 (Jul. 1986). |
R.C. Alferness, C.H. Joyner, M.D. Divino, M.J.R. Martyak and L.L. Buhl, Narrowband grating resonator filters in InGaAsP/InP waveguides Applied Physics Letters, 49 125 127 (Jul. 1986). * |
S. Legoubin, E. Fertein, M. Douay, P. Bernage, P. Niay, F. Bayon and T. Georges, "Formation of Moire grating in core of germanosilicate fibre by transverse holographic exposure method" Electronic Letters, 27, 1945-1946 (Oct. 1991). |
S. Legoubin, E. Fertein, M. Douay, P. Bernage, P. Niay, F. Bayon and T. Georges, Formation of Moire grating in core of germanosilicate fibre by transverse holographic exposure method Electronic Letters, 27, 1945 1946 (Oct. 1991). * |
Supplementary European Search Report (Mar. 5, 1998). * |
Tohmori, Y. et al., "Broad-Range Wavelength-Tunable Superstructure Grating (SSC) DBR Lasers", IEEE Journal of Quantum Electronics, 29(6): 1817-1823 (Jun. 1993). |
Tohmori, Y. et al., Broad Range Wavelength Tunable Superstructure Grating (SSC) DBR Lasers , IEEE Journal of Quantum Electronics , 29(6): 1817 1823 (Jun. 1993). * |
V. Mizrahi, P. J. Lemaire, T. Erdogan, W.A. Reed, D.J. DiGiovanni and R. M. Atkins, "Ultraviolet laser fabrication of ultrastrong optical fiber gratings and of germania-doped channel waveguides", Appl. Phys. Lett. 63 (13), 27 Sep. 1993, pp. 1727-1729. |
V. Mizrahi, P. J. Lemaire, T. Erdogan, W.A. Reed, D.J. DiGiovanni and R. M. Atkins, Ultraviolet laser fabrication of ultrastrong optical fiber gratings and of germania doped channel waveguides , Appl. Phys. Lett. 63 (13), 27 Sep. 1993, pp. 1727 1729. * |
Cited By (113)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6035083A (en) * | 1997-10-02 | 2000-03-07 | 3M Innovative Company | Method for writing arbitrary index perturbations in a wave-guiding structure |
US6204969B1 (en) * | 1997-12-08 | 2001-03-20 | Samsung Electronics Co., Ltd. | Amplitude mask, and apparatus and method for manufacturing long period grating filter using the same |
US6084995A (en) * | 1997-12-19 | 2000-07-04 | Nortel Networks Corporation | Reducing scanning errors |
USRE41204E1 (en) | 1998-02-09 | 2010-04-06 | Ravinder Jain | Tunable bragg grating and devices employing the same |
USRE41613E1 (en) * | 1998-02-09 | 2010-08-31 | Ravinder Jain | Tunable bragg grating devices employing the same |
US6221565B1 (en) | 1998-02-09 | 2001-04-24 | University Of New Mexico | Tunable bragg gratings and devices employing the same |
US6534248B2 (en) | 1998-02-09 | 2003-03-18 | Science And Technology Corporation @ Unm | Tunable bragg grating and devices employing the same |
USRE41748E1 (en) | 1998-02-09 | 2010-09-21 | Ravinder Jain | Tunable bragg grating and devices employing the same |
US6337937B1 (en) * | 1998-05-18 | 2002-01-08 | Sumitomo Electric Industries, Ltd. | Optical filter and method of making the same |
US6706455B1 (en) | 1999-04-30 | 2004-03-16 | The University Of Sydney | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material |
AU767432B2 (en) * | 1999-04-30 | 2003-11-13 | University Of Sydney, The | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material |
WO2000067054A1 (en) * | 1999-04-30 | 2000-11-09 | The University Of Sydney | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material |
US6529658B1 (en) | 1999-07-07 | 2003-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for fabricating fiber grating |
US6356681B1 (en) | 1999-07-09 | 2002-03-12 | Corning Incorporated | Method and apparatus for trimming the optical path length of optical fiber components |
US6456762B1 (en) * | 1999-12-09 | 2002-09-24 | Oki Electric Industry Co., Ltd. | Method of fabricating optical waveguide device |
US20010021293A1 (en) * | 2000-02-22 | 2001-09-13 | Hikaru Kouta | Method for modifying refractive index in optical wave-guide device |
US7742674B2 (en) | 2000-03-16 | 2010-06-22 | Mossberg Thomas W | Multimode planar waveguide spectral filter |
US7224867B2 (en) | 2000-03-16 | 2007-05-29 | Lightsmyth Technologies Inc. | Holographic spectral filter |
US7519248B2 (en) | 2000-03-16 | 2009-04-14 | Lightsmyth Technologies Inc | Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography |
US7062128B2 (en) | 2000-03-16 | 2006-06-13 | Lightsmyth Technologies Inc | Holographic spectral filter |
USRE41570E1 (en) | 2000-03-16 | 2010-08-24 | Greiner Christoph M | Distributed optical structures in a planar waveguide coupling in-plane and out-of-plane optical signals |
US20050078912A1 (en) * | 2000-03-16 | 2005-04-14 | Dmitri Iazikov | Distributed optical structures with improved diffraction efficiency and/or improved optical coupling |
US8180188B2 (en) | 2000-03-16 | 2012-05-15 | Steyphi Services De Llc | Multimode planar waveguide spectral filter |
US20090196551A1 (en) * | 2000-03-16 | 2009-08-06 | Steyphi Services De Llc | Multimode planar waveguide spectral filter |
USRE42206E1 (en) | 2000-03-16 | 2011-03-08 | Steyphi Services De Llc | Multiple wavelength optical source |
US6879441B1 (en) | 2000-03-16 | 2005-04-12 | Thomas Mossberg | Holographic spectral filter |
US20060233493A1 (en) * | 2000-03-16 | 2006-10-19 | Lightsmyth Technologies Inc. | Holographic spectral filter |
US20030117677A1 (en) * | 2000-03-16 | 2003-06-26 | Mossberg Thomas W. | Optical processor |
US6859318B1 (en) | 2000-03-16 | 2005-02-22 | Thomas W. Mossberg | Method for forming a holographic spectral filter |
USRE42407E1 (en) | 2000-03-16 | 2011-05-31 | Steyphi Services De Llc | Distributed optical structures with improved diffraction efficiency and/or improved optical coupling |
US6965464B2 (en) | 2000-03-16 | 2005-11-15 | Lightsmyth Technologies Inc | Optical processor |
US20050152011A1 (en) * | 2000-03-16 | 2005-07-14 | Mossberg Thomas W. | Holographic spectral filter |
US20070053635A1 (en) * | 2000-03-16 | 2007-03-08 | Dmitri Iazikov | Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography |
US7194164B2 (en) | 2000-03-16 | 2007-03-20 | Lightsmyth Technologies Inc | Distributed optical structures with improved diffraction efficiency and/or improved optical coupling |
US6747798B2 (en) | 2000-05-22 | 2004-06-08 | Adc Telecommunications, Inc. | Polarization control of UV writing |
US20040033018A1 (en) * | 2000-08-07 | 2004-02-19 | Durkin Michael Kevan | Grating apodisation method and apparatus |
WO2002012935A1 (en) * | 2000-08-07 | 2002-02-14 | University Of Southampton | Grating apodisation method and apparatus |
US6681067B1 (en) | 2000-11-03 | 2004-01-20 | Cidra Corporation | Method for selective erasing/apodization of the index of refraction of an optical waveguide and an optical waveguide modified by the method |
US20040081400A1 (en) * | 2001-01-18 | 2004-04-29 | Amber Iler | Interferometric focusing technique for forming taps in fibers |
US6898350B2 (en) | 2001-01-18 | 2005-05-24 | General Dynamics Advanced Information Systems, Inc. | Interferometric focusing technique for forming taps in fibers |
WO2002095886A3 (en) * | 2001-03-29 | 2003-09-04 | Sabeus Photonics Inc | Mode coupling devices with complex spectral profile |
WO2002095886A2 (en) * | 2001-03-29 | 2002-11-28 | Sabeus Photonics, Inc. | Mode coupling devices with complex spectral profile |
US20050191007A1 (en) * | 2001-03-29 | 2005-09-01 | Sabeus Photonics, Inc. | Mode coupling devices with complex spectral profile |
US7110644B2 (en) | 2001-03-29 | 2006-09-19 | Sabeus, Inc. | Mode coupling devices with complex spectral profile |
US6950576B1 (en) * | 2001-03-29 | 2005-09-27 | Sabeus Photonics, Inc. | Mode coupling devices with complex spectral profile |
US7336872B1 (en) * | 2001-06-28 | 2008-02-26 | Avanex Corporation | Localized annealing of UV induced index grating in optical waveguides |
US6990272B2 (en) | 2001-07-26 | 2006-01-24 | Lxsix Photonics Inc. | Apparatus for generating an optical interference pattern |
US7079729B2 (en) | 2001-07-26 | 2006-07-18 | Lxsix Photonics Inc. | Apparatus for generating an optical interference pattern |
US20040042723A1 (en) * | 2001-07-26 | 2004-03-04 | Paul Lefebvre | Apparatus for generating an optical interference pattern |
US20060048545A1 (en) * | 2001-07-26 | 2006-03-09 | Lxsix Photonics Inc. | Apparatus for generating an optical interference pattern |
US7773842B2 (en) | 2001-08-27 | 2010-08-10 | Greiner Christoph M | Amplitude and phase control in distributed optical structures |
US20060177178A1 (en) * | 2001-08-27 | 2006-08-10 | Greiner Christoph M | Amplitude and phase control in distributed optical structures |
US7194162B2 (en) | 2002-02-22 | 2007-03-20 | Neophotonics Corporation | Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale |
KR100858853B1 (en) | 2002-02-27 | 2008-09-17 | 오끼 덴끼 고오교 가부시끼가이샤 | Method and apparatus for generating carrier suppressed optical pulse train and grating device |
US7872804B2 (en) | 2002-08-20 | 2011-01-18 | Illumina, Inc. | Encoded particle having a grating with variations in the refractive index |
US8498052B2 (en) | 2002-08-20 | 2013-07-30 | Illumina, Inc. | Composition including an item and an encoded optical substrate and a method for identifying an item |
US8333325B2 (en) | 2002-08-20 | 2012-12-18 | Illumina, Inc. | Optical reader system for substrates having an optically readable code |
US8614852B2 (en) | 2002-08-20 | 2013-12-24 | Illumina, Inc. | Elongated microparticles having an optically detectable code configured to at least one of reflect or filter light |
US7923260B2 (en) | 2002-08-20 | 2011-04-12 | Illumina, Inc. | Method of reading encoded particles |
US7901630B2 (en) | 2002-08-20 | 2011-03-08 | Illumina, Inc. | Diffraction grating-based encoded microparticle assay stick |
US7900836B2 (en) | 2002-08-20 | 2011-03-08 | Illumina, Inc. | Optical reader system for substrates having an optically readable code |
US8470605B2 (en) | 2002-09-12 | 2013-06-25 | Illumina, Inc. | Optical reader for reading encoded microparticles |
US7898735B2 (en) | 2002-09-12 | 2011-03-01 | Illumina, Inc. | Methods and systems for writing an optical code within or on a fiber substrate |
US7009750B1 (en) | 2002-10-25 | 2006-03-07 | Eclipse Energy Systems, Inc. | Apparatus and methods for modulating refractive index |
US7145709B1 (en) | 2002-10-25 | 2006-12-05 | Eclipse Energy Systems, Inc. | Apparatus and methods for modulating refractive index |
US7215457B1 (en) | 2002-10-25 | 2007-05-08 | Eclipse Energy Systems, Inc. | Apparatus and methods for modulating refractive index |
US7224855B2 (en) | 2002-12-17 | 2007-05-29 | Lightsmyth Technologies Inc. | Optical multiplexing device |
USRE43226E1 (en) | 2002-12-17 | 2012-03-06 | Steyphi Services De Llc | Optical multiplexing device |
US20040131360A1 (en) * | 2002-12-17 | 2004-07-08 | Dmitri Iazikov | Optical multiplexing device |
US7843567B2 (en) | 2003-01-22 | 2010-11-30 | Illumina, Inc. | Methods of identifying an analyte and nucleic acid analysis |
US9268983B2 (en) | 2003-01-22 | 2016-02-23 | Illumina, Inc. | Optical system and method for reading encoded microbeads |
US7659983B2 (en) | 2003-01-22 | 2010-02-09 | Electronics And Telecommunications Resarch Institute | Hybrid random bead/chip based microarray |
US8049893B2 (en) | 2003-01-22 | 2011-11-01 | Illumina, Inc. | Methods of identifying analytes and using encoded particles |
US20040154337A1 (en) * | 2003-02-07 | 2004-08-12 | Hideyuki Iwamura | Manufacturing method for optical fiber grating |
US8081792B2 (en) | 2003-08-20 | 2011-12-20 | Illumina, Inc. | Fourier scattering methods for encoding microbeads and methods and apparatus for reading the same |
US8565475B2 (en) | 2003-08-20 | 2013-10-22 | Illumina, Inc. | Optical system and method for reading encoded microbeads |
US7277604B2 (en) | 2003-12-12 | 2007-10-02 | Lxsix Photonics Inc. | Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation |
US7418162B2 (en) | 2003-12-12 | 2008-08-26 | Lxsix Photonics Inc. | Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation |
US20050130340A1 (en) * | 2003-12-12 | 2005-06-16 | Claude Beaulieu | Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation |
US20070147737A1 (en) * | 2003-12-12 | 2007-06-28 | Lxsix Photonics Inc. | Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation |
US7260290B1 (en) | 2003-12-24 | 2007-08-21 | Lightsmyth Technologies Inc | Distributed optical structures exhibiting reduced optical loss |
US6963432B2 (en) | 2004-01-14 | 2005-11-08 | National Chiao Tung University | Fabrication of true apodized fiber Bragg grating using a new two-beam interferometer with polarization control |
US20050150256A1 (en) * | 2004-01-14 | 2005-07-14 | Kai-Ping Chuang | Fabrication of complex fiber grating structures by use of sequential writing with polarization control |
US20050152646A1 (en) * | 2004-01-14 | 2005-07-14 | Kai-Ping Chuang | Fabrication of true apodized fiber bragg grating using a new two-beam interferometer with polarization control |
US7791802B2 (en) | 2004-02-19 | 2010-09-07 | Illumina, Inc. | Optical identification element having a non-waveguide substrate |
US20090034078A1 (en) * | 2004-02-19 | 2009-02-05 | Illumina, Inc. | Optical identification element having a non-waveguide substrate |
US7181103B1 (en) | 2004-02-20 | 2007-02-20 | Lightsmyth Technologies Inc | Optical interconnect structures incorporating sets of diffractive elements |
US7729579B1 (en) | 2004-02-20 | 2010-06-01 | Greiner Christoph M | Optical interconnect structures incorporating sets of diffractive elements |
US8986922B1 (en) * | 2004-05-12 | 2015-03-24 | Cirrex Systems, Llc | Adjusting optical properties of optical thin films |
US7359597B1 (en) | 2004-08-23 | 2008-04-15 | Lightsmyth Technologies Inc | Birefringence control in planar optical waveguides |
US7120334B1 (en) | 2004-08-25 | 2006-10-10 | Lightsmyth Technologies Inc | Optical resonator formed in a planar optical waveguide with distributed optical structures |
US20060139635A1 (en) * | 2004-11-16 | 2006-06-29 | Illumina, Inc. | Scanner having spatial light modulator |
US7796333B2 (en) | 2004-11-17 | 2010-09-14 | Illumina, Inc. | Encoded microparticles and a method for fabricating |
US7330614B1 (en) | 2004-12-10 | 2008-02-12 | Lightsmyth Technologies Inc. | Integrated optical spectrometer incorporating sets of diffractive elements |
US7327908B1 (en) | 2005-03-07 | 2008-02-05 | Lightsmyth Technologies Inc. | Integrated optical sensor incorporating sets of diffractive elements |
US7840106B1 (en) | 2005-03-14 | 2010-11-23 | Lightsmyth Technologies, Inc. | Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography |
US7349599B1 (en) | 2005-03-14 | 2008-03-25 | Lightsmyth Technologies Inc | Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography |
US7676128B1 (en) | 2005-03-14 | 2010-03-09 | Lightsmyth Technologies Inc. | Etched surface grating having an effective blaze angle |
US7643400B1 (en) | 2005-03-24 | 2010-01-05 | Lightsmyth Technologies Inc | Optical encoding of data with distributed diffractive structures |
USRE42540E1 (en) | 2005-03-28 | 2011-07-12 | Steyphi Services De Llc | Reconfigurable optical add-drop multiplexer incorporating sets of diffractive elements |
US7190856B1 (en) | 2005-03-28 | 2007-03-13 | Lightsmyth Technologies Inc | Reconfigurable optical add-drop multiplexer incorporating sets of diffractive elements |
US7382951B2 (en) | 2005-05-17 | 2008-06-03 | National Chiao Tung University | Method for sequentially writing fiber Bragg grating by using real-time side-diffraction optical fiber position monitoring |
US8068709B2 (en) | 2005-09-12 | 2011-11-29 | Lightsmyth Technologies Inc. | Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography |
US7830575B2 (en) | 2006-04-10 | 2010-11-09 | Illumina, Inc. | Optical scanner with improved scan time |
US20090110343A1 (en) * | 2007-10-26 | 2009-04-30 | Hsu Kuei Chu | Method for modulating refractive indices of optical fiber gratings |
US7593609B2 (en) | 2007-10-26 | 2009-09-22 | National Chiao Tung University | Method for modulating refractive indices of optical fiber gratings |
US8026022B2 (en) | 2008-02-18 | 2011-09-27 | National Chiao Tung University | Long-length fiber Bragg creating sequential UV writing by probing phase mask |
US20090208876A1 (en) * | 2008-02-18 | 2009-08-20 | National Chiao Tung University | Long-length fiber Bragg creating sequential UV writing by probing phase mask |
US20130048600A1 (en) * | 2011-08-22 | 2013-02-28 | Cybernetic Industrial Corporation Of Georgia | Volumetric optically variable devices and methods for making same |
WO2013078215A1 (en) * | 2011-11-25 | 2013-05-30 | Imra America Inc. | A compact coherent high brightness light source for the mid-ir and far-ir |
US8861555B2 (en) | 2011-11-25 | 2014-10-14 | Imra America, Inc. | Compact coherent high brightness light source for the mid-IR and far IR |
US9184549B2 (en) | 2011-11-25 | 2015-11-10 | Imra America, Inc. | Compact coherent high brightness light source for the mid-IR and far IR |
US11359939B2 (en) | 2016-02-16 | 2022-06-14 | National Research Council Of Canada | Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same |
Also Published As
Publication number | Publication date |
---|---|
EP0749587B1 (en) | 2003-11-05 |
DE69532074D1 (en) | 2003-12-11 |
WO1995022068A1 (en) | 1995-08-17 |
AUPM386794A0 (en) | 1994-03-10 |
EP0749587A1 (en) | 1996-12-27 |
KR100425568B1 (en) | 2004-06-30 |
JPH09508713A (en) | 1997-09-02 |
CA2183363A1 (en) | 1995-08-17 |
EP0749587A4 (en) | 1997-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5830622A (en) | Optical grating | |
US5604829A (en) | Optical waveguide with diffraction grating and method of forming the same | |
US5216739A (en) | Method of creating an index grating in an optical fiber and a mode converter using the index grating | |
US5694248A (en) | Spatially-varying distributed Bragg reflectors in optical media | |
US5363239A (en) | Method for forming spatially-varying distributed Bragg reflectors in optical media | |
JP3527044B2 (en) | Optical signal shaping device | |
US20190193208A1 (en) | Femtosecond laser inscription | |
JP2000501852A (en) | Method of forming refractive index grating | |
CN212872967U (en) | Apodization long period optical fiber grating inscribing device | |
EP0897124A1 (en) | Design of complex optical fiber filters using long-period gratings | |
WO2000011509A1 (en) | Apparatus for manufacturing long-period fiber gratings and apparatus for manufacturing two-band long-period fiber gratings using the same | |
US5953471A (en) | Optical communication system having short period reflective Bragg gratings | |
EP0817981B1 (en) | Method of writing photosensitive grating using lloyd's mirror | |
US5708739A (en) | Method and apparatus for photobleaching patterns in irradiated optical waveguides | |
CA2170123C (en) | Method for the fabrication of polarisation-maintaining optical fibres | |
Abdullina et al. | Suppression of side lobes in the fiber Bragg grating reflection spectrum | |
AU678892B2 (en) | Optical grating | |
Malo et al. | Photosensitivity in optical fiber and silica-on-substrate waveguides | |
EP0668519A1 (en) | Spatially-varying distributed bragg-reflectors in optical media | |
US5985523A (en) | Method for irradiating patterns in optical waveguides containing radiation sensitive constituents | |
JPH08101322A (en) | Production of transmission type fiber grating filter and apparatus therefor | |
Hill et al. | Application of phase masks to the photolithographic fabrication of Bragg gratings in conventional fiber/planar waveguides with enhanced photosensitivity | |
WO2003079076A2 (en) | Method and apparatus for fabricating a waveguide bragg grating using pulsed light | |
Mizunami et al. | A flexible fabrication technique of long-period fiber gratings using a tilted amplitude mask | |
RU2104568C1 (en) | Method for periodic modulation of refraction index in fiber-optical waveguide |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: UNIVERSITY OF SYDNEY, THE, AUSTRALIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CANNING, JOHN;SCEATS, MARK;REEL/FRAME:008221/0263 Effective date: 19960726 |
|
AS | Assignment |
Owner name: SYDNEY, UNIVERSITY OF, THE, AUSTRALIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CANNING, JOHN;SCEATS, MARK;REEL/FRAME:008220/0743;SIGNING DATES FROM 19960918 TO 19960926 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20061103 |